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Sonja [21]
3 years ago
5

A car has a 16-gallon fuel tank. When driven on a highway, it has a gas mileage of 30 miles per gallon. The gas mileage (also ca

lled "fuel efficiency") tells us the number of miles the car can travel for a particular amount of fuel (one gallon of gasoline, in this case). After filling the gas tank, the driver got on a highway and drove for a while.
How many miles has the car traveled if it has the following amounts of gas left in the tank (15 galllons)?
Mathematics
2 answers:
Darya [45]3 years ago
6 0

Answer: 10

Step-by-step explanation:

ale4655 [162]3 years ago
4 0

Answer:

30

Step-by-step explanation:

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-5x-16=9x+x-1<br> Solve the equation.
Serggg [28]

Answer:

x=-1

Step-by-step explanation:

15x=-15

4 0
3 years ago
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A dilation has center (0,0). Find the image of the point L(-4,0) for the scale factor 9.
Andreyy89

Answer:

L' = (-36, 0)

Step-by-step explanation:

If the point (x, y) is dilated by a scale factor of k about the center (0, 0), then its image is the point (kx, ky)

∵ A dilation has a center (0, 0)

∵ The point L is (-4, 0)

∴ x = -4 and y = 0

∵ The scale factor of dilation is 9

∴ k = 9

→ By using the rule above

∵ kx = 9(-4) = -36

∵ ky = 9(0) = 0

∵ The image of the point L is (kx, ky)

∴ L' = (kx, ky)

∴ L' = (-36, 0)

8 0
2 years ago
The polygon in the diagram is a regular octagon with center A. Find the area of the octagon to the nearest tenth of a foot. A) 2
IRISSAK [1]
Method 1: In order to find out the area of an octagon with a radius of 4 feet, we have to split the whole figure into 8 equal isosceles triangles.
Therefore, 
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Method 2: From method 1, it would take time as there are too much of calculation, therefore we would go for the shortcut using the formula:

Area = 2√2 × r²

where r<span> is the radius of the octagon.
Substituting the values,
We get:
             </span>Area = 2√2 × 4²
             Area = 2√2 × 16
             Area = 2× 1.41 × 16 
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            Area = 45.25

Rounded to the nearest tenth:

Area = 45.3 ft²


4 0
2 years ago
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The  areas will be in the ratio  1 : 1.5^2  = 1 .2.25
The area will be larger by a factor 2.25.
7 0
3 years ago
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It's A
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